Sintered porous plaque battery plates and method of making same
CA 1079355 A · Owner: General Electric Company · Inventors: Pensabene, Saverio; Hazen, Harry H.; Cromer, George P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sintered porous plaque battery plate comprises an elongated substrate and a sintered porpos plaque on both major surfaces thereof. One longitudinal edge of the substrate has a region substantially free of porous plaque for welding a current collector thereto and the other opposed longitudinal edge of the substrate has a transversly tapered porous plaque region on both major surfaces of the plate adjacent and extending longitudinally of the opposed edge for preventing the plaque from chipping along the opposed edge. The method for forming such plates includes the steps of (1) coating a substrate with double and single plate width strips of powdered metal slurry (2) forming, a "V" shaped …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.